Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
A slight uplift in the average high-temperature marks July, adjusting from June's pleasant 71.2°F (21.8°C) to a moderately hot 79.2°F (26.2°C). With a significant daily temperature differential, Dayton's nighttime temperature in July falls to an average of 52.3°F (11.3°C).Humidity
In Dayton, the average relative humidity in July is 68%.Rainfall
The months with the least rainfall are July and August Rain falls for 4.8 days and accumulates 0.35" (9mm) of rain.Snowfall
April through October are months without snowfall.Daylight
In July, the average length of the day is 15h and 14min.On the first day of July, sunrise is at 5:29 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:40 pm PDT.
Sunshine
In July, the average sunshine in Dayton is 10.7h.UV index
The month with the highest UV index is July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: In July, the average maximum UV index of 6 translates into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average July temperature?
What is the average humidity in July?
What is the driest month?
How many days does it rain in July?
When it does not snow?
What is the average length of the day in July?
When are sunrise and sunset in July?
How long on average sun shines in July in Dayton?
When is the highest UV index?
How high is the UV index in July?
Average temperature in July
Dayton, OR
- Average high temperature in July: 79.2°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (44.1°F).
- Average low temperature in July: 52.3°F
The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).
Average pressure in July
Dayton, OR
- Average pressure in July: 30.05"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in July
Dayton, OR
- Average wind speed in July: 4.2mph
The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in July
Dayton, OR
- Average humidity in July: 68%
The months with the highest relative humidity are February and December (87%).
The month with the lowest relative humidity is August (67%).
Average rainfall in July
Dayton, OR
- Average rainfall in July: 0.35"
The wettest month (with the highest rainfall) is December (4.49").
The driest months (with the least rainfall) are July and August (0.35").
Average rainfall days in July
Dayton, OR
- Average rainfall days in July: 4.8 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (4.6 days).
Average snowfall in July
Dayton, OR
- Average snowfall in July: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Dayton, OR
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Dayton, OR
- Average daylight in July: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in July: 10h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in July
Dayton, OR
- Average sunshine days in July: 24.2 days
The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in July
Dayton, OR
- Average UV index in July: 6
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Dayton, OR
- Average cloud cover in July: 25
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in July
Dayton, OR
- Average visibility in July: 6mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February and December (4mi).
Dayton, Oregon, USA
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